
https://www.bruegel.org/sites/default/files/2022-09/PC%2014%202022_3.pdf

https://www.ips-journal.eu/topics/democracy-and-society/rien-ne-va-plus-1-7748/

http://ec.europa.eu/anti-fraud/media-corner/news/31-05-2017/olaf-2016-leading-way-combatting-fraud-through-large-transnational_en